English Dictionary

dead code

noun

(compilers) Instructions that, when executed, have no effect on the running of the program. / (programming) A portion of source code that will never be executed as part of the running program.

The dead code in the program is causing it to run slower.

意味（1）

(compilers) Instructions that, when executed, have no effect on the running of the program.

Much dead code elimination is actually done on intermediate representations of your code, which may contain unnecessary intermediate calculations[…]

意味（2）

(programming) A portion of source code that will never be executed as part of the running program.

Many software projects contain much dead code in the form of deprecated functions.